AddAir quality in San Francisco
Air quality index (AQI⁺) and PM2.5 air pollution in San Francisco • 1.1M Followers • 17:00, Sep 27 Local time
23
US AQI⁺Good
Main pollutant:
PM2.5
4.2 µg/m³
15°
28 km/h
97 %
Hourly forecast
San Francisco air quality index (AQI⁺) forecast
Daily forecast
San Francisco air quality index (AQI⁺) forecast
| Today | 32 |  | 18° 12° |  25 km/h | 85% |
| Mon | 41 | | 19° 13° | 23 km/h | 75% |
| Tue | 34 |  | 22° 16° | 16 km/h | 71% |
Air pollutants
What is the current air quality in San Francisco?
PM2.5 concentration currently meets the WHO annual PM2.5 guideline.
Health recommendations
 Enjoy outdoor activities |
 Open your windows to bring clean, fresh air indoors Get a monitor |
Protect yourself from air pollution in San Francisco
Monitor the air you breathe
Get accurate AirVisual air quality readings and real-time insights for cleaner air. Monitors that reveal pollution sources, highlight when air purifier use is needed.
Medical grade air purifiers
Trusted worldwide, the HealthPro Series uses HyperHEPA technology. Filters ultrafine particles other air purifiers miss, delivering medical-grade protection.
Powerful, stylish air purifiers
Compact and powerful, the Atem Series combines Swiss engineering with high-performance air purification, filtering ultrafine particles with HyperHEPA technology.
Pollen
What is the pollen count in San Francisco today?
Index
Moderate
 Tree None | 0% |
 Grass None | 0% |
 Weed Moderate | 50% |
Source:
wetter.comHealth recommendations
Enjoy outdoor activities |
Open your windows to bring clean, fresh air indoors Get a monitor |
Pollen
What is the pollen count in San Francisco today?
Index
Moderate
Tree None | 0% |
Grass None | 0% |
Weed Moderate | 50% |
Source:
wetter.comProtect yourself from air pollution in San Francisco
Monitor the air you breathe
Get accurate AirVisual air quality readings and real-time insights for cleaner air. Monitors that reveal pollution sources, highlight when air purifier use is needed.
Medical grade air purifiers
Trusted worldwide, the HealthPro Series uses HyperHEPA technology. Filters ultrafine particles other air purifiers miss, delivering medical-grade protection.
Powerful, stylish air purifiers
Compact and powerful, the Atem Series combines Swiss engineering with high-performance air purification, filtering ultrafine particles with HyperHEPA technology.
Most polluted locations near San Francisco
Worldwide AQI⁺ ranking
Station ranking
Real-time AQI⁺ station ranking for stations in San Francisco
Historic air quality near San Francisco
History
Historic air quality graph for San Francisco
Historic air quality near San Francisco
History
Historic air quality graph for San Francisco
Most polluted locations near San Francisco
Worldwide AQI⁺ rankingStation ranking
Real-time AQI⁺ station ranking for stations in San Francisco
Measure your own air quality
Get a monitor and contribute air quality data in your city.
Where is the cleanest air quality in San Francisco?
- Buchanan and Broadway1
- Burlwood Drive1
- Lake Street1
- McAllister Street1
- Mission Bernal Hospital1
- Montezuma Street1
- Outer Sunset 40th & Irving1
- Potrero Hill 18th & Mississippi1
- Hill House2
- Lippard Avenue2
- Edgehill Open Space Park4
- Mendell & La Salle Ave4
- Rivoli Street6
- Valencia Street6
- Baker7
- Capitol Avenue7
- Congo Street7
- Flood Avenue7
- Scott Street7
- San Jose Ave and Ocean Ave8
- West of Twin Peaks8
- Joost Avenue 19
- Potomac Street9
- Potrero Hill9
- 2635 16th Avenue10
- Lombard Street10
- Upper Shrader Cole Valley10
- Lakeview near Margaret11
- 4066 23rd Street12
- Cow Hollow12
- Golden Gate12
- LH Webster12
- States Street12
- West Page Street12
- 21st & Balboa13
- Castenada Avenue13
- Espirit Park Roof13
- Isis Street13
- 4010 Eureka Valley14
- Baker St14
- Bernal Heights14
- Capp Street Garden14
- 5235 Diamond Heights Boulevard15
- Duncan Castro Open Space16
- San Francisco - Inner Mission16
- 150 Parker Ave.17
- Bernal Heights 217
- House Guerrero17
- Martha Avenue17
- Precita Avenue17
- Stanyan Street17
- 15th and Castro St.18
- Ashbury St18
- Balboa Park Pool18
- Broadway between Hyde and Larkin18
- Natoma Street18
- Valley Street18
- 351 Magellan Ave19
- 4299-4201 26th St19
- Laguna Street19
- Market Street 219
- Nob Hill19
- Oakdale Avenue19
- Outdoor19
- Pacheco Street19
- San Francisco - Mission Rock19
- 116 Marietta Drive20
- Hickory Street20
- Jackson & Walnut20
- 100 Block Andover21
- 12th Ave21
- 313 Shotwell Street21
- 4000-4098 21st St21
- 409A 30th Street21
- 915 Cayuga Ave21
- Eureka Valley21
- Mississippi Street21
- Page Street Station21
- Precita Valley21
- Quintara Street 221
- 4739-4737 California St22
- 540 Victoria Street22
- Anza Vista-the_balbs22
- Kensington Way22
- Mid Liberty Street22
- St. 00-99 Block22
- Wright Street 222
- 1108-1126 Cabrillo St23
- 144 Funston Avenue23
- 1501-1599 8th Ave23
- 1770 McKinnon Avenue23
- De Haro Blvd23
- Noe Valley23
- St Helena Cooperative Nursery School23
- Staples Avenue23
- Sunnyside St23
- 18thAve/TaravalUlloa24
- 19 St Charles Avenue24
- 2949B-B Pacific Ave24
- 300 Laidley Street24
- 662 Cayuga Ave24
- Diamond Street & Conrad Street24
- Filbert Street24
- Lake & 21st Avenue24
- Mt. Davidson24
- Portola Street24
- Walter Street24
- 200-298 Carl St25
- 2799-2701 Green St25
- 541 Presidio Blvd25
- Gladys Street25
- Golden Gate Height25
- Hays Street25
- Hazelwood at Mangels25
- Noe Valley 225
- 215 Connecticut St26
- 35 Keyes Ave26
- 427 Kirkham Street26
- 491 Corbett Avenue26
- Bay Street26
- Brannan St26
- Buena Vista Heights26
- Cole Valley26
- Mission District & Osage Street26
- Santa Rosa Avenue26
- Tompkins Avenue26
- 1034-1064 14th St27
- 460 29th street27
- 476-498 Innes Ave27
- Churchill Park27
- Mission District 127
- 100-200 Colby St28
- 1377 29th Ave28
- 600-698 Panorama Dr28
- 6th Ave Backyard28
- Illinois Street28
- McCoppin Hub28
- Miraloma Park O'Shaughnessy28
- Mojave Street28
- Outer Sunset 428
- 23rd Street & 3rd Street29
- Rincon Hill29
- Ripley Street30
- 327-203 Marietta Dr31
- 99-1 Dolores Terrace31
- Outer Sunset-2340 42nd Ave31
- The Little School31
- UCSF Parnassus31
- 100-200 Maynard St32
- 2-76 Amethyst Way32
- 6th and Hugo Street32
- 1333 Jones St.34
- Inner Sunset34
- Outer Richmond, San Francisco34
- UCSF Mission Bay34
- Mission District36
- Polk Gulch36
- 382 7th St37
- UCSF Mount Zion37
- Potrero Hill 239
- Quesada & Jennings39
- ATB Hawkins Lane. San Francisco, Ca 9412441
- ATB Jerrold Ave. San Francisco, Ca 9412443
- ATB Westbrook Ct. San Francisco, Ca 9412444
- Crocker Amazon44
- Palou Ave & 3rd St44
- The Nabe44
- Van Dyke and Lane street44
- 3398 Baker Street50
- BGC Tenderloin50
- IFR Mission St & 25th St50
- Newcomb Ave & Newhall St50
- Parkmerced-SFSU Bay Conference Center52
- 3rd Street Youth Innes Location53
- Ingerson & Ingalls Street53
- Mother Brown’s53
- Griffith & Ingerson St55
- Presidio55
- YMCA Bayview Hunters Point55
- Bocana & Cortland56
- Pier 80 Terminal56
- Safer Together/Bernal56
- Downey Street71
